Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION MR 66 HANDICAP (Open)

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Line Horse
Storm Ahead
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
4 / 13
Within 2 points
Significant Diffs
8 / 13
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Bob Lee Swagger      4    53.0    1    0.00     1.5   52    55           52    +0
2    Storm Ahead          4    56.0    2    1.75     1.5   66    66           66    +0
3    Carnelo              6    60.0    3    1.95     0.0   66    77           77    +11
4    Silver Flare         4    56.5    4    2.75     1.5   59    65           65    +6
5    The Merciful         5    55.0    5    3.50     0.0   61    65           65    +4
6    Whispers Of War (AU  7    60.0    6    5.00     0.0   66    72           72    +6
7    Only A Poet          3    60.5    7    5.40     3.5   67    66           66    -1
8    Hat Furious          4    59.0    8    6.40     1.5   64    67           67    +3
9    Japanese Maple       4    56.0    9    6.50     1.5   58    61           61    +3
10   Manz Knight          6    59.5    10   16.50    0.0   65    71           71    +6
99   Summerland           5    52.0    99   0.00     0.0   -     56           56    +0
99   Gamer                4    59.0    99   0.00     1.5   -     67           67    +0
99   Cartagena            4    52.5    99   0.00     1.5   -     54           54    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bob Lee Swagger 52 53 52 +1 1.5 -
2 Storm Ahead Line 66 80 66 +14 1.5
3 Carnelo 66 75 77 -2 0.0 -
4 Silver Flare 59 64 65 -1 1.5 -
5 The Merciful 61 54 65 -11 0.0 -
6 Whispers Of War (AUS) 66 64 72 -8 0.0 -
7 Only A Poet 67 59 66 -7 3.5 -
8 Hat Furious 64 53 67 -14 1.5 -
9 Japanese Maple 58 56 61 -5 1.5 -
10 Manz Knight 65 60 71 -11 0.0 -
99 Summerland - 45 56 -11 0.0 -
99 Gamer - 65 67 -2 1.5 -
99 Cartagena - 77 54 +23 1.5 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points